Topds.io

[Statistics] What's the difference between T-Test and Z-Test

[Statistics] Assumptions of a linear model

[Statistics] One-Sided CI

[Statistics] P-Value and Sample Size

[Statistics] Type 1 Error Rate

[Statistics] Central Limit Theorem

[Statistics] 0.99 R-Squared

[Statistics] Treatment on Outliers

[Statistics] Statistical Significance in Logistic Regression Model

[ML] Boosting Versus Bagging

[ML] Cross-Validation

[ML] Handling Multicollinearity

[ML] Imbalanced Labels

[ML] Prediction Point

[ML] Offline and Production Model Performances

[ML] Underfitting or Overfitting

[ML] K-Means vs. Gaussian Mixture

[ML] Evaluate Trees with Variance and Bias

[ML] Productionizing a Model

[ML] Classification Model Evaluation

[ML] Redfin Price Optimization

[ML] Customer Lifetime Value at Amazon

[ML] Salary Estimation Model on LinkedIn

[ML] Sales Forecasting at Amazon

[ML] LinkedIn Email Campaign

[ML] Fraud Features

[Product] Metric Change

[Product] Rideshare Engagement at Uber

[Product] Measuring Spam on Facebook

[Product] Video Preview on Netflix

[Product] Measuring Driver Satisfaction at Lyft

[Product] Customer Segmentation at Apple

[Product] Video Content on LinkedIn

[Product] Conversions on Netflix

[Product] Facebook Groups

[Product] Incentivizing Inactive Users on Uber Eats

[Statistics] Amazon Shopping Carts

[Statistics] Revenue Analytics on Facebook Games

[Statistics] LinkedIn Email Conversions

[Statistics] Comparing Variances at Amazon

[SQL] Advertisement Spendings

[SQL] Facebook Connections

[SQL] Twitch Content Violations

[SQL] Revenue Analytics

[SQL] Job Postings at LinkedIn

Solutions and Data Files

Amazon Research Scientist

Facebook Product Data Scientist - Statistics Round